Designed with a Vibram outsole with exceptional grip across all terrains, the high-performance Grip Trex Boots are made with a breathable mesh upper with reliable ventilation and that keeps dirt and debris out.Rugged lug pattern provides exceptional traction on varied terrainBreathable mesh upper provides ventilation and keeps dirt and debris outExpansion gusset makes the boots easy to put onHook and loop closure strap provides secure fit, ensuring boots stay on pawsReflective trim provides visibility in low-light conditionsSeamless construction reduces abrasion and enhances fitVibram sole for high-grip, high-traction and high-mileageNon-marking sole is safe for indoor and nautical use